High efficiency polyalkylene glycol lubricants for use in...

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 169/04 (2006.01) C10M 107/34 (2006.01) C10M 129/74 (2006.01) C10M 133/12 (2006.01) C10M 133/16 (2006.01) C10M 133/40 (2006.01) C10M 133/46 (2006.01) C10M 137/10 (2006.01)

Patent

CA 2556028

A polyalkylene glycol based lubricant composition that contains specified rust inhibitors and antioxidants has lowered operating temperature and is particularly suitable for use in worm drive gearboxes. The rust inhibitors consist of an N-acylsarcosine and an imidiazole while the antioxidant consists of an alkylated diphenyl amine and a hindered phenol.

L'invention concerne une composition de lubrifiant à base de polyalkylèneglycol qui contient des inhibiteurs de rouille et des antioxydants spécifiés utilisée à basse température et particulièrement appropriée pour être utilisée dans des boîtes d'engrenages à entraînement par vis fin. Les inhibiteurs de rouille sont composés d'une N-acylsarcosine et d'un imidiazole, les antioxydants étant composés d'une diphénylamine alkylée et d'un phénol encombré.

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